Vapor-stove



(No Model.) J B' WALLACE 2 Sheets-Sheet l.

VAPoR s'rov.

Patented Apr. 3, 1888'.

2 Sheets-Sheet' 2.

(No Model.)

J. B. WALLACE.

VAPOR STOVE.

No. 380,611. Patented Apr. 3, 1888.

Illy.

UN iTED STATES PATEN Erica..

J. BENNETT WALLACE, OF CHICAGO, ILLINOIS.

VAPOR-STOVE.

SPECIFICATION forming part of Letters Patent No. 380,611, dated April 3, 1888. Application led January 18, 1886. Serial No. 183,817'.l (No model.)

.To all whom, zit may concern,.-

Be it known that I, J. BENNETT WALLACE, of Chicago, in the county of Cook and State of Illinois, have invented certain new and use ful Improvements in Vapor-Stoves; and I do hereby declare that the following is a full,

clear, and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification.

The improvements herein set forth have for their object, rst, to provide a better con- .struction and a greater generating efciency in vapor-generating burners for vapor-stoves, for the purpose more especially of enabling a single generating-burner to effectually provide vapor for itself and for one or more nongenerating burners belonging to the same stove.

The invention also has for its object to provide an improved construction in distributingpipes for conveying vapor and air to the nongenerating burners of a vapor-stove.

The precise nature of the invention will be more fully understood from the following description of the accompanying drawings and from the appended claims.

In said drawings, Figure l is a front elevation of a stove containing my improvements. Fig. 2 is a top view of the generating-burner and the adjacent air and vapor tubes which lead to the nongenerating burners of different elevations, the chambered portion of the burner-casting being broken away in horizontal section through the line a: .r of Fig. 3. Fig. 2 is a central vertical section of the burner baseplate, its induction vapor-tube, and the surrounding vaporizing-tube in the line z z of Fig. 2. Fig. 3 is a side elevation of the generating-burner having the external, transverse, and pierced boss, which forms a novel feature of the improvement, broken away in vertical section through the line x of Fig. 2. Fig. 4L is a vertical section of the generating-burner in the plane of line yy, Fig. 2. Fig. 5 is a central vertical section of the tube which conducts air and vapor to the several elevated non-generating burners, showing a butterfiyvalve placed in said tube adjacent to and beyoud the first of said two burners.

A A are standards of a vaporstove, and A is the stove-top.

B is an oven located beneath the stove-top. Cis a generating-burner.

D D is a tube for vapor and air, leading from near the burner C to the elevated nonA generating burners D2 D3.

E E is a second tube leading from a point near the generating-burner C downwardly and beneath the oven B for the supply of vapor and air to the non-generating burner E2, located at the bottom of said oven.

E3 is the drip-pan.

It will be seen that the single generatingburner C is employed to supply vapor not only to itself, but to all of the several nongenerating burners D2, D3, and E2 of the stove. The supply of vapor from a single burner to several others in this manner requires that the generating-burner shall be rapid in its genenating action and of large capacity, while also desirably of moderate dimensions.

The improvements made in the burner C with the view ofsecuring these ends have for their object to provide a construction which shall give to said burner the highest possible eftlciency as a vaporizer, and which shall enable its best product to be supplied equally to either or both of the two pipes which lead to the non-generating burners. burner is constructed with a cast chambered portion having two compartments, a lateral iiange which serves as a base-plate for the burnencap, a relatively-thin wrought-metal or brass tube leading from one of said compartments to the other around the burner in position to be exposed favorably to the heat of the flame, an opening leading from the standpipe into one compartment of the casting,and all of the passages which carry vapor to the several jet-valves leading from the other compartment of said casting, so that all the fiuid which is admitted by the stand-pipe makes the entire circuit of the burner through the relatively-thin wrought pipe and is most perfectly vaporized at the point of its escape at either of the jetvalves.

By reference to Figs. l and 2 it will be seen that the vapor and air pipes D and Estart parallel with each other and lougitudinallyof the stove, the one continuing directly forward beneath the burners D2 and D3, and the other being immediately deflected downward and then forward beneath the oven to the burner To this end the IOO E. It will also be seen from Fig, l that the generating-burner C forms one of the'burners at the top of the stove, and that in the case of three such elevated burners it stands at the end of the stove, so that its needle or jet valves CB C9, for the control of vapor to the pipes D and E, project also at the end of the stove in convenient positions to be operated and entirely separated from the valve C of the generating-burner itself, which stands at the front of the stove,whereby all confusion on the part of the operator with respect to said valves is obviated.

Turning to Figs. 2, 3, and 4, it will be seen that the chambered casting of the burner is arranged adjacent to the ends of the pipes D and E, and that the partitioned chamber Cof said casting is transverse to the direction of said pipes. C3 is the horizontal baseplate,on which rests the cap C. Said base-plate will ordinarily be cast integral with the chambered portion of the burner-casting, but may be otherwise secured thereto, if desired. The pipe C rises centrally into said burner-casting and vadmits the liquid to that which is here shown as the larger compartment of the chamber C, as clearly indicated in Figs. 2 and 3. rlhe partition dividing the chamber CL is shown at c at one side of the opening provided for the stand-pipe C2. At opposite ends and at the top of the chambered casting are tubular bosses Cl, the passages through which communicate with the several compartments of chamber C4, and into which are silver-soldered or otherwise tightly fitted the ends of the wroughtmetal or brass tube C6. Said tube thus forms a continuation of the chamber C4, as shown in Fig. 2, and gives the only communication p'rovided between one compartment of said chamber and the other. Through this tube, therefore, the liquid or partially-attenuated vapor admitted by the stand-pipe C2 must pass from one to the other of said compartments. From that compartment which is here shown as the smaller, passages lead to all of the several jetvalves, c4 being the tube leading to the jet of the generating-burner itself under the control of the needle-valve C10, and c5 the tube or passage leading to the j et-orifce cl, through which vapor is supplied to the tube E. By reason of the position of the tube D the jet-orifice c6, which is to supply vapor thereto, is located, in the construction shown, at the opposite side of the burner and at the opposite side of the standpipe C2. To give passage from the smaller compartment of the chamber C4 to tube c3, which leads to the jetorifice c, said chamber C* is cut off by a partition, d, which affords a separate chamber, c2, in the same casting, and the external transverse boss, G5, is provided on the burner-casting, which, by its interior passage, o8, gives communication from the said smaller compartment of the chamber C* to thc chamber c", as indicated most clearly in Figs.2, 3, and 4.

The tube c4, which leads to the jet-valve of the generating -burner C itself, is shown as being cast integral with the chambered burnercasting referred to, while the tubes c3 c5, which lead, respectively, to the jetorilices c6 cl, are shown as being separate from said burnercasting and screwthreaded into the same; but obviously theselatter may also be made integral with` the chambered casting, or the tube c4 may be made separate. Theseftubes are each provided with the ordinary internallythreaded prolongation, into which its needlevalve C8, C, or C1 is inserted in the axis of the jetorilice.

For the purpose of increasing the efficiency of the vaporizing or generating tube C, and as a further improvement in my burner, said tube may be silver-soldered or hard-soldered to the margin of the baseplate C3, so that the heat of said base-plate is directly communicated to said tube, and the latter is thereby more highly heated than it would be byproximity with the llame itself alone, and particularly is this soldering of the tube to the baseplate important in heating the burner by the auxiliary flame below the base-plate, for in that case the base-plate will be r'st and most directly heated, and it will more promptly communicate its heat to the tube. y

The vapor and air tube D is cast with an upright branch leading to the burner D?, and with a horizontal extension, d, reaching beyoud said upright branch, into which extension the prolongation D of said tube D is tted with sufficient closeness to be practically tight, while also adjustable therein longitudinally, as shown in the sectional Fig. 5. The same extension, d, of the tube D 'contains the butterfly-valve D, the seat for `which is prepared at the same turning or finishing by which said extension, d, is tted to admit the end of the tube D. The upright tube leading to the burner D2 is not provided with an ing dividual valve, nor is the upright portion of the tube D' provided with such a valve for the use of the burner D3. When but one ofthe burners D2 D3 is to be used, it will therefore necessarily be the first burner, D, and the only valve which will need to be operated to supply said burner D? will be tliejet-valve controlled by the needle C".

In the use of the burner D2 only, the butterily-valve D4 will be turned transversely of the tube D, as shown in said Fig. 5, so as to prevent the passage of vapor to and its escape from the more remote burner, D3; but when both D2 and D3 are to be used simultaneously the valve DL will be turned into a horizontal position to allow the vapor and air to pass equally to both of said burners, and the greater amount of vapor required for both burners will be supplied by further opening the jetvalve G9. There is no valve in the pipe E or its extension E for the burner E2, since this is the only burner upon this tube, and its supply is Wholly controlled by operation of the needle G8.

The burners D2 D8 and the burner E2 may be supported in their proper relation respect-x IOO IIO

ively to the stove-top and to the oven by any suitable or ordinary means. The free ends of the tube D and E are shown as being upheld by the bracket F, which depends from the stove-top and is provided with suitable eyes, ff, for the admission of said pipes. In Fig. 2 the upright portion of said bracket F is shown broken off-say in the line x a: of Fig. l. The lower end of .the main portion of the tube E is fitted into the enlarged prolongation E thereof in substantially the same way as illustrated in Fig. 5 of the parts D D of the horizontal tube. Said prolongation E is desirably bolted or otherwise fastened to the bottom ofthe oven B, as indicated at e e in Fig. 1,and thus supports the lower end of the part E. Making the tubes D D and E E in two parts with reasonably-close slip-joints, as indicated, contributes to the simplicity of construction by a-Poiding a certain amount of adjustment of the parts to each other.

The drip-pan F3 is arranged below the oven, as shown. In this position it aords security against possible discharge of fluid from the oven or burner, and also protects the burner against injury.

G represents the pipe which conveys liquid hydrocarbon from any suitable source of supply to the foot of the stand-pipe C2. In the present case t-he pipe G is supposed to lead from an elevated tank, and is provided with a joint which permits the tank to be raised and lowered in a familial' manner. This is no part of my invention, which is restricted to the matters pointed out in the following claims.

By arranging the non-generating burners D2 and D3 in series upon a single pipe with a butterfly-valve immediately after the Erst of such burners that portion of the pipe beyond the first burner is shut ofi' and kept free of vapor when the second burner is not used.

I claim as my inventionq l. The combination, with agenerator located at the end of the stove and provided with a suitable valve for sending vapor to additional burners, of a two-part vapor and air pipe, D D, each part provided with a branch leading to a non-generating burner, the part D thereof being provided with an extension, d, fitted to receive the inserted end of the part D', and provided with a butterfly-valve wit-hin said eX tension d, substantially as described.

2. In'a vapor-generating burner, the combination, with a cap having lateral openings for the haine-jets, of a base portion consisting,

first, of a cast-ing having two separate chambers or compartments located at one side of the burner and yprovided one with an inletpassage and the other with one or more outlet passages; second, an apertured bottom plate beneath the cap, and, third, a bent horizontal wrought-metal or brass generating-tube having its ends connected with the several compartments referred to and extending between its ends in position to be heated by the flame-jets, substantially as described.

3. A generating burner having two jetvalves for the supply of vapor to two separate pipes for the conduct of vapor and air to nongenerating burners, besides one jet valve for its own supply, a chambered casting having a partition which separates its chamber into two compartments, an inlet-passage admitting liquid to one of the compartments of said casting, passages leading from the other compartment to the several jet-valves, a base-plate at one side of the casting, a curved wroughtmetal tube leading from one chamber to the other ofthe casting around the margin of the base-plate, and a burner-cap constructed to give a flame adjacent to said tube throughout its length, substantially as described.

4. The burner casting, substantially as shown and described, having the chamber C, divided by partitions c and c, and provided with the pierced boss G5, connected with the compartments indicated, a baseplate for the support of an apertured cap, a bent wroughtmetal tube encircling the base-plate and connected at its ends into the compartments on opposite sides of the partition c, a jet-valve tube leading from the compartment c2, and jetvalve tubes c5 and c4, leading from the delivery-compartment cut off by the partition c, substantially as described.

5. The combination, in a vapor-generating burner, of a partitioned chambered casting, a

base-plate, and a wrought-metal or brass tube having its ends in communication with the compartments of the chambered casting and embracing and soldered to the margin of the base-plate, substantially as described, and for the purposes set forth.

In testimony that I claim the foregoing as my invention I affix my signature in presence of two witnesses.

J. BENNETT WALLACE.

Witnesses:

M. E. DAYTON, C. CLARENCE POOLE. 

